/* ========================================
   ZER081 LANDING PAGE - DESIGN SYSTEM
   Dark Mode + Neon Green Theme
======================================== */

/* ----------------------------------------
   CSS VARIABLES (Design Tokens)
---------------------------------------- */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #0d0d0d;
    --color-neon: #39ff14;
    --color-neon-dim: rgba(57, 255, 20, 0.25);
    --color-neon-dark: #1a7a0a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #888888;
    --color-text-muted: #555555;
    --color-border: #222222;
    
    /* Typography */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows - Neon Glow (Suavizados) */
    --glow-sm: 0 0 8px var(--color-neon-dim);
    --glow-md: 0 0 15px var(--color-neon-dim);
    --glow-lg: 0 0 25px rgba(57, 255, 20, 0.3);
    --text-glow: 0 0 5px rgba(57, 255, 20, 0.4);
}

/* ----------------------------------------
   RESET & BASE STYLES
---------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul, ol {
    list-style: none;
}

/* ----------------------------------------
   UTILITY CLASSES
---------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.highlight {
    color: var(--color-neon);
    text-shadow: var(--text-glow);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ----------------------------------------
   BUTTONS
---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--color-neon);
    color: var(--color-bg-primary);
    box-shadow: var(--glow-md);
}

.btn-primary:hover {
    background: #4dff28;
    box-shadow: var(--glow-lg);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: var(--glow-md);
    }
    50% {
        box-shadow: var(--glow-lg);
    }
}

/* ----------------------------------------
   SECTION 1: HERO
---------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(57, 255, 20, 0.08) 0%, transparent 50%),
        var(--color-bg-primary);
}

.nav {
    padding: 0 var(--spacing-lg);
    margin-top: -60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    height: 400px;
    width: auto;
    filter: drop-shadow(var(--glow-sm));
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
    margin-top: -140px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    line-height: 1.8;
}

.hero-bg-effect {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(57, 255, 20, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(57, 255, 20, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

/* ----------------------------------------
   SECTION 2: MARQUEE
---------------------------------------- */
.marquee-section {
    background: var(--color-neon);
    padding: var(--spacing-sm) 0;
    overflow: hidden;
}

.marquee {
    display: flex;
    overflow: hidden;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: marquee 20s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-bg-primary);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.marquee-content .dot {
    font-size: 1.5rem;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ----------------------------------------
   SECTION 3: ARSENAL (MÉTODOS)
---------------------------------------- */
.arsenal {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-primary);
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-neon-dim);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(57, 255, 20, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-neon);
    box-shadow: var(--glow-md);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-neon);
    filter: drop-shadow(var(--glow-sm));
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ----------------------------------------
   SECTION 4: BENEFÍCIOS
---------------------------------------- */
.beneficios {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
}

.benefits-list {
    max-width: 700px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.benefit-item:last-child {
    border-bottom: none;
}

.benefit-item:hover {
    background: rgba(57, 255, 20, 0.05);
    padding-left: var(--spacing-lg);
}

.check-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    color: var(--color-neon);
    filter: drop-shadow(var(--glow-sm));
}

.check-icon svg {
    width: 100%;
    height: 100%;
}

/* ----------------------------------------
   SECTION 5: PROVA SOCIAL (CARROSSEL)
---------------------------------------- */
.prova-social {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-primary);
    overflow: hidden;
}

.carousel-wrapper {
    width: 100%;
    overflow: hidden;
    padding: var(--spacing-md) 0;
}

.carousel-track {
    display: flex;
    gap: var(--spacing-lg);
    animation: carousel-scroll 60s linear infinite;
    width: max-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes carousel-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.carousel-card {
    flex-shrink: 0;
    width: 280px;
    height: 520px;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--color-neon-dim);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
    position: relative;
}

.carousel-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(57, 255, 20, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
    z-index: 1;
}

.carousel-card:hover {
    transform: scale(1.05) translateY(-10px);
    border-color: var(--color-neon);
    box-shadow: var(--glow-lg), 0 10px 40px rgba(0, 0, 0, 0.4);
}

.carousel-card:hover::before {
    opacity: 1;
}

.carousel-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.carousel-card:hover img {
    transform: scale(1.1);
}

/* Responsividade do Carrossel */
@media (max-width: 768px) {
    .carousel-card {
        width: 240px;
        height: 450px;
    }
    
    .carousel-track {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .carousel-card {
        width: 200px;
        height: 370px;
    }
}

/* ----------------------------------------
   SECTION 6: MENTOR
---------------------------------------- */
.mentor {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
}

.mentor-content {
    display: flex;
    flex-direction: column-reverse;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .mentor-content {
        flex-direction: row;
    }
}

.mentor-text {
    flex: 1;
}

.mentor-text p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.mentor-text strong {
    color: var(--color-text-primary);
}

.mentor-image {
    position: relative;
    flex-shrink: 0;
}

.mentor-image img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 550px;
    object-fit: contain;
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-neon);
    box-shadow: var(--glow-md);
}

.mentor-image-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, var(--color-neon-dim) 0%, transparent 70%);
    filter: blur(30px);
    z-index: -1;
    opacity: 0.5;
}

/* Mentor Text - Ver Mais */
.mentor-text-hidden {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.4s ease, margin 0.4s ease;
    margin-top: 0;
}

.mentor-text.expanded .mentor-text-hidden {
    max-height: 2000px;
    opacity: 1;
    margin-top: var(--spacing-md);
}

.btn-ver-mais {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--color-neon);
    border-radius: var(--radius-md);
    color: var(--color-neon);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-ver-mais:hover {
    background: var(--color-neon);
    color: var(--color-bg-primary);
    box-shadow: var(--glow-md);
}

.btn-ver-mais svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.mentor-text.expanded .btn-ver-mais svg {
    transform: rotate(180deg);
}

/* ----------------------------------------
   SECTION 7: OFERTA
---------------------------------------- */
.oferta {
    padding: var(--spacing-xxl) 0;
    background: 
        radial-gradient(ellipse at 50% 50%, rgba(57, 255, 20, 0.08) 0%, transparent 60%),
        var(--color-bg-primary);
}

.oferta-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-neon-dim);
    border-radius: var(--radius-xl);
    box-shadow: var(--glow-md);
    position: relative;
    overflow: hidden;
}

.oferta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(57, 255, 20, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.oferta-badge {
    display: inline-block;
    background: var(--color-neon);
    color: var(--color-bg-primary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.oferta-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.preco-container {
    margin-bottom: var(--spacing-lg);
}

.preco-de {
    display: block;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.preco-de s {
    color: var(--color-text-secondary);
}

.preco-por {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.preco-valor {
    display: block;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-neon);
    line-height: 1;
}

.preco-valor .parcelas {
    font-size: 1.5rem;
    vertical-align: middle;
    margin-right: 5px;
}

.preco-valor .centavos {
    font-size: 2rem;
    vertical-align: super;
}

.preco-valor .periodicidade {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    vertical-align: middle;
    margin-left: 5px;
    letter-spacing: 1px;
}

.preco-avista {
    display: block;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-top: 10px;
    font-weight: 600;
    letter-spacing: 1px;
}

.oferta-lista {
    margin-bottom: var(--spacing-lg);
    text-align: left;
    display: inline-block;
}

.oferta-lista li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.oferta-lista li::first-letter {
    color: var(--color-neon);
}

.oferta-garantia {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.lock-icon {
    width: 18px;
    height: 18px;
    color: var(--color-neon);
}

/* ----------------------------------------
   SECTION 8: FAQ
---------------------------------------- */
.faq {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-normal);
}

.faq-question:hover {
    color: var(--color-neon);
}

.faq-arrow {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    transition: var(--transition-normal);
    color: var(--color-neon);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: var(--spacing-md);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* ----------------------------------------
   SECTION 9: FOOTER
---------------------------------------- */
.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    text-align: center;
}

@media (min-width: 768px) {
    .footer-brand {
        text-align: left;
    }
}

.footer-logo {
    height: 100px;
    margin: 0 auto var(--spacing-sm);
    filter: drop-shadow(var(--glow-sm));
}

@media (min-width: 768px) {
    .footer-logo {
        margin: 0 0 var(--spacing-sm);
    }
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-neon);
}

/* Instagram Highlight Footer */
.footer-social {
    display: flex;
    justify-content: center;
    align-items: center;
}

.instagram-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-neon);
    padding: var(--spacing-sm);
    border: 1px solid var(--color-neon-dim);
    border-radius: 50%;
    background: rgba(57, 255, 20, 0.03);
    transition: var(--transition-normal);
    box-shadow: var(--glow-sm);
}

.instagram-highlight:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(57, 255, 20, 0.08);
    box-shadow: var(--glow-md);
    border-color: var(--color-neon);
}

.instagram-icon {
    width: 36px;
    height: 36px;
    filter: drop-shadow(var(--glow-sm));
    transition: var(--transition-normal);
}

.instagram-highlight:hover .instagram-icon {
    filter: drop-shadow(var(--glow-md));
}

@media (max-width: 767px) {
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-social {
        order: 2; /* Logo (1) -> Instagram (2) -> Links (3) */
    }
}

.footer-bottom {
    text-align: center;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.footer-legal a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: var(--transition-normal);
}

.footer-legal a:hover {
    color: var(--color-neon);
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ----------------------------------------
   ANIMATIONS & EFFECTS
---------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    animation-delay: 0.1s;
}

.hero-subtitle {
    animation-delay: 0.2s;
}

.hero-content .btn {
    animation-delay: 0.3s;
}

/* ----------------------------------------
   SCROLLBAR CUSTOMIZATION
---------------------------------------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-neon-dim);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neon);
}

/* ----------------------------------------
   SELECTION COLOR
---------------------------------------- */
::selection {
    background: var(--color-neon);
    color: var(--color-bg-primary);
}